The Rouhani administration reached a three-month deal regarding nuclear inspections with the IAEA during its recent visit to Tehran, but internal tensions with hardliners are mounting.
The US and three EU powers warned Tehran against limiting IAEA inspections, as a February 21 deadline set by Iran's Majles looms.
Yemeni officials and other world and regional leaders said the new development is a positive step towards strengthened international and diplomatic engagement.
Crucial international aid to Lebanon has been on hold since 2018 amid a political deadlock and stalled reforms blamed on Hizbullah.
If Iran is serious about negotiations and wants a new commitment, it must refrain from further provocations and return to compliance.
With their economies hard hit by the coronavirus pandemic, the UAE and Israel are hoping for rapid dividends from the normalisation deal.
The two sides agreed to establish peaceful diplomatic relations and co-operate in a number of fields, entering into seven agreements.
The legitimate government and the Houthi militia will exchange over 1,000 prisoners, the largest number since the conflict erupted in 2014.
The US served as a facilitator during the talks, which were held under the auspices of the UN in the Lebanese border town of Naqoura.
Iraqi and Saudi leaders have voiced concern over Iran's unrelenting effort to sow discord and continue its expansionist activities in the region.